package top.kaoshanji.p1ch08a;

/**
 * 代码清单-p1ch08a-171页a：太空飞船的一个控制模块
 * author kaoshanji
 * ^_^
 * create time 2025/3/9 15:51
 */
public class SpaceShipControls {

    void up(int velocity) {}
    void down(int velocity) {}
    void left(int velocity) {}
    void right(int velocity) {}
    void forward(int velocity) {}
    void back(int velocity) {}
    void turboBoost() {}

}
